Помогите плес А) log3(x2-1)=log3(5x-7) Б) log3(4x-1)

Question

Помогите плес
А) log3(x2-1)=log3(5x-7)

Б) log3(4x-1)

Comments

log3(4x-1)???

Answer 1

A) ㏒₃(x²-1)=㏒₃(5x-7);
x²-1=5x-7;
x²-5x+6=0;
x1=3;    x2=2;